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- /**
- * Tencent is pleased to support the open source community by making Tars available.
- *
- * Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
- *
- * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
- * in compliance with the License. You may obtain a copy of the License at
- *
- * https://opensource.org/licenses/BSD-3-Clause
- *
- * Unless required by applicable law or agreed to in writing, software distributed
- * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
- #include "util/tc_epoll_server.h"
- #include "util/tc_http.h"
- #include "util/tc_grpc.h"
- #include "servant/AppProtocol.h"
- // #include "servant/TC_Transceiver.h"
- #include "servant/AdapterProxy.h"
- #include "servant/RemoteLogger.h"
- #include "tup/Tars.h"
- #include <iostream>
- #if TARS_HTTP2
- #include "util/tc_http2.h"
- #endif
- namespace tars
- {
- class TC_Transceiver;
- shared_ptr<TC_NetWorkBuffer::Buffer> ProxyProtocol::toBuffer(TarsOutputStream<BufferWriter> &os)
- {
- shared_ptr<TC_NetWorkBuffer::Buffer> buff = std::make_shared<TC_NetWorkBuffer::Buffer>();
- buff->replaceBuffer(os.getBuffer(), os.getLength());
- os._buf = NULL;
- os._buf_len = 0;
- os._len = 0;
- return buff;
- }
- shared_ptr<TC_NetWorkBuffer::Buffer> ProxyProtocol::tarsRequest(RequestPacket& request, TC_Transceiver *)
- {
- TarsOutputStream<BufferWriter> os;
- int iHeaderLen = 0;
- // 先预留4个字节长度
- os.writeBuf((const char *)&iHeaderLen, sizeof(iHeaderLen));
- request.writeTo(os);
- assert(os.getLength() >= 4);
- iHeaderLen = htonl((int)(os.getLength()));
- memcpy((void*)os.getBuffer(), (const char *)&iHeaderLen, sizeof(iHeaderLen));
- return toBuffer(os);
- }
- TC_NetWorkBuffer::PACKET_TYPE ProxyProtocol::tupResponseLen(TC_NetWorkBuffer &in, ResponsePacket& rsp, uint32_t iMinLength, uint32_t iMaxLength)
- {
- uint32_t len = (uint32_t)in.getBufferLength();
- //收到的字节数太少, 还需要继续接收
- if(len < sizeof(uint32_t))
- return TC_NetWorkBuffer::PACKET_LESS;
- //获取包总体长度
- uint32_t iHeaderLen = in.getValueOf4();
- //做一下保护,长度大于10M
- if (iHeaderLen < iMinLength || iHeaderLen > iMaxLength)
- {
- throw TarsDecodeException("packet length too long or too short,len:" + TC_Common::tostr(iHeaderLen));
- }
- //包没有接收全
- if (len < iHeaderLen)
- {
- //看看包头是否正确
- static const uint32_t head = 20;
- if (len >= head)
- {
- string buffer;
- in.getHeader(head, buffer);
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.c_str() + sizeof(tars::Int32), head);
- //tup回来是requestpackage
- RequestPacket rsp;
- is.read(rsp.iVersion, 1, true);
- if (rsp.iVersion != TUPVERSION)
- {
- throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(rsp.iVersion));
- }
- is.read(rsp.cPacketType, 2, true);
- if (rsp.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
- }
- is.read(rsp.iMessageType, 3, true);
- is.read(rsp.iRequestId, 4, true);
- }
- return TC_NetWorkBuffer::PACKET_LESS;
- }
- else
- {
- //buffer包括4个字节长度
- vector<char> buffer;
- buffer.resize(iHeaderLen);
- in.getHeader(iHeaderLen, buffer);
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.data() + sizeof(tars::Int32), buffer.size() - sizeof(tars::Int32));
- //TUP的响应包其实也是返回包
- RequestPacket req;
- req.readFrom(is);
- if (req.iVersion != TUPVERSION )
- {
- throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(req.iVersion));
- }
- if (req.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)req.cPacketType));
- }
- rsp.cPacketType = req.cPacketType;
- rsp.iMessageType = req.iMessageType;
- rsp.iRequestId = req.iRequestId;
- rsp.iVersion = req.iVersion;
- rsp.context = req.context;
- //tup的响应包直接放入到sBuffer里面
- rsp.sBuffer = buffer;
- in.moveHeader(iHeaderLen);
- }
- return TC_NetWorkBuffer::PACKET_FULL;
- }
- TC_NetWorkBuffer::PACKET_TYPE ProxyProtocol::jsonResponseLen(TC_NetWorkBuffer &in, ResponsePacket& rsp, uint32_t iMinLength, uint32_t iMaxLength)
- {
- uint32_t len = (uint32_t)in.getBufferLength();
- //收到的字节数太少, 还需要继续接收
- if (len < sizeof(uint32_t))
- return TC_NetWorkBuffer::PACKET_LESS;
- //获取包总体长度
- uint32_t iHeaderLen = in.getValueOf4();
- //做一下保护,长度大于10M
- if (iHeaderLen < iMinLength || iHeaderLen > iMaxLength)
- {
- throw TarsDecodeException("packet length too long or too short,len:" + TC_Common::tostr(iHeaderLen));
- }
- //包没有接收全
- if (len < iHeaderLen)
- {
- //看看包头是否正确
- static const uint32_t head = 20;
- if (len >= head)
- {
- string buffer;
- in.getHeader(head, buffer);
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.c_str() + sizeof(tars::Int32), head);
- is.read(rsp.iVersion, 1, false);
- if (rsp.iVersion != JSONVERSION)
- {
- throw TarsDecodeException("json version not correct, version:" + TC_Common::tostr(rsp.iVersion));
- }
- is.read(rsp.cPacketType, 2, false);
- if (rsp.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
- }
- is.read(rsp.iMessageType, 3, false);
- is.read(rsp.iRequestId, 4, false);
- is.read(rsp.iRet, 5, false);
- if (rsp.iRet < TARSSERVERUNKNOWNERR)
- {
- throw TarsDecodeException("response value not correct, value:" + TC_Common::tostr(rsp.iRet));
- }
- }
- return TC_NetWorkBuffer::PACKET_LESS;
- }
- else
- {
- vector<char> buffer;
- bool ret = in.parseBufferOf4(buffer, iMinLength, iMaxLength);
- if (!ret)
- {
- throw TarsDecodeException("parse buffer exception");
- }
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.data(), buffer.size());
- rsp.readFrom(is);
- if (rsp.iVersion != JSONVERSION)
- {
- throw TarsDecodeException("json version not correct, version:" + TC_Common::tostr(rsp.iVersion));
- }
- if (rsp.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
- }
- if (rsp.iRet < TARSSERVERUNKNOWNERR)
- {
- throw TarsDecodeException("response value not correct, value:" + TC_Common::tostr(rsp.iRet));
- }
- }
- return TC_NetWorkBuffer::PACKET_FULL;
- }
- TC_NetWorkBuffer::PACKET_TYPE ProxyProtocol::tarsResponseLen(TC_NetWorkBuffer &in, ResponsePacket& rsp, uint32_t iMinLength, uint32_t iMaxLength)
- {
- uint32_t len = (uint32_t)in.getBufferLength();
- //收到的字节数太少, 还需要继续接收
- if(len < sizeof(uint32_t))
- return TC_NetWorkBuffer::PACKET_LESS;
- //获取包总体长度
- uint32_t iHeaderLen = in.getValueOf4();
- //做一下保护,长度大于10M
- if (iHeaderLen < iMinLength || iHeaderLen > iMaxLength)
- {
- throw TarsDecodeException("packet length too long or too short,len:" + TC_Common::tostr(iHeaderLen));
- }
- //包没有接收全
- if (len < iHeaderLen)
- {
- //看看包头是否正确
- static const uint32_t head = 20;
- if (len >= head)
- {
- string buffer;
- in.getHeader(head, buffer);
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.c_str() + sizeof(tars::Int32), head);
- // ResponsePacket rsp;
- is.read(rsp.iVersion, 1, false);
- if (rsp.iVersion != TARSVERSION)
- {
- throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(rsp.iVersion));
- }
- is.read(rsp.cPacketType, 2, false);
- if (rsp.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
- }
- is.read(rsp.iRequestId, 3, false);
- is.read(rsp.iMessageType, 4, false);
- is.read(rsp.iRet, 5, false);
- if (rsp.iRet < TARSSERVERUNKNOWNERR)
- {
- throw TarsDecodeException("response value not correct, value:" + TC_Common::tostr(rsp.iRet));
- }
- }
- return TC_NetWorkBuffer::PACKET_LESS;
- }
- else
- {
- vector<char> buffer;
- auto ret = in.parseBufferOf4(buffer, iMinLength, iMaxLength);
- if (ret == TC_NetWorkBuffer::PACKET_LESS)
- {
- throw TarsDecodeException("parse buffer exception");
- }
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.data(), buffer.size());
- rsp.readFrom(is);
- if (rsp.iVersion != TARSVERSION)
- {
- throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(rsp.iVersion));
- }
- if (rsp.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
- }
- if (rsp.iRet < TARSSERVERUNKNOWNERR)
- {
- throw TarsDecodeException("response value not correct, value:" + TC_Common::tostr(rsp.iRet));
- }
- }
- return TC_NetWorkBuffer::PACKET_FULL;
- }
- TC_NetWorkBuffer::PACKET_TYPE ProxyProtocol::totalResponseLen(TC_NetWorkBuffer &in, ResponsePacket &rsp, uint32_t iMinLength, uint32_t iMaxLength)
- {
- uint32_t len = (uint32_t)in.getBufferLength();
- //收到的字节数太少, 还需要继续接收
- if (len < sizeof(uint32_t))
- return TC_NetWorkBuffer::PACKET_LESS;
- //获取包总体长度
- uint32_t iHeaderLen = in.getValueOf4();
- //做一下保护,长度大于10M
- if (iHeaderLen < iMinLength || iHeaderLen > iMaxLength)
- {
- throw TarsDecodeException("packet length too long or too short,len:" + TC_Common::tostr(iHeaderLen));
- }
- //包没有接收全
- if (len < iHeaderLen)
- {
- //看看包头是否正确
- static const uint32_t head = 18;
- if (len >= head)
- {
- string buffer;
- in.getHeader(head, buffer);
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.c_str() + sizeof(tars::Int32), head);
- // ResponsePacket rsp;
- is.read(rsp.iVersion, 1, false);
- if (rsp.iVersion != TARSVERSION && rsp.iVersion != TUPVERSION && rsp.iVersion != JSONVERSION)
- {
- throw TarsDecodeException("version not correct, version:" + TC_Common::tostr(rsp.iVersion));
- }
- is.read(rsp.cPacketType, 2, false);
- if (rsp.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
- }
- is.read(rsp.iRequestId, 3, false);
- is.read(rsp.iMessageType, 4, false);
- is.read(rsp.iRet, 5, false);
- if (rsp.iRet < TARSSERVERUNKNOWNERR)
- {
- throw TarsDecodeException("response value not correct, value:" + TC_Common::tostr(rsp.iRet));
- }
- }
- return TC_NetWorkBuffer::PACKET_LESS;
- }
- else
- {
- //看看包头是否正确
- string buffer;
- in.getHeader(iHeaderLen, buffer);
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.c_str() + sizeof(tars::Int32), iHeaderLen-sizeof(tars::Int32));
- is.read(rsp.iVersion, 1, false);
- if (rsp.iVersion == TUPVERSION)
- {
- //buffer包括4个字节长度
- vector<char> buffer;
- buffer.resize(iHeaderLen);
- in.getHeader(iHeaderLen, buffer);
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.data() + sizeof(tars::Int32), buffer.size() - sizeof(tars::Int32));
- //TUP的响应包其实也是返回包
- RequestPacket req;
- req.readFrom(is);
- if (req.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)req.cPacketType));
- }
- rsp.cPacketType = req.cPacketType;
- rsp.iMessageType = req.iMessageType;
- rsp.iRequestId = req.iRequestId;
- rsp.iVersion = req.iVersion;
- rsp.context = req.context;
- //tup的响应包直接放入到sBuffer里面
- rsp.sBuffer = buffer;
- in.moveHeader(iHeaderLen);
- }
- else if (rsp.iVersion == TARSVERSION || rsp.iVersion == JSONVERSION)
- {
- vector<char> buffer;
- bool ret = in.parseBufferOf4(buffer, iMinLength, iMaxLength);
- if (!ret)
- {
- throw TarsDecodeException("parse buffer exception");
- }
- TarsInputStream<BufferReader> is;
- is.setBuffer(buffer.data(), buffer.size());
- rsp.readFrom(is);
- if (rsp.cPacketType != TARSNORMAL)
- {
- throw TarsDecodeException("packettype not correct, packettype:" + TC_Common::tostr((int)rsp.cPacketType));
- }
- if (rsp.iRet < TARSSERVERUNKNOWNERR)
- {
- throw TarsDecodeException("response value not correct, value:" + TC_Common::tostr(rsp.iRet));
- }
- }
- else
- {
- throw TarsDecodeException("===>version not correct, version:" + TC_Common::tostr(rsp.iVersion));
- }
- }
- return TC_NetWorkBuffer::PACKET_FULL;
- }
- ////////////////////////////////////////////////////////////////////////////////////
- shared_ptr<TC_NetWorkBuffer::Buffer> ProxyProtocol::http1Request(tars::RequestPacket& request, TC_Transceiver *trans)
- {
- shared_ptr<TC_HttpRequest> &data = *(shared_ptr<TC_HttpRequest>*)request.sBuffer.data();
- shared_ptr<TC_NetWorkBuffer::Buffer> buff = std::make_shared<TC_NetWorkBuffer::Buffer>();
- if(!data->hasHeader("Host")) {
- data->setHost(trans->getEndpoint().getHost());
- }
- data->encode(buff);
- data.reset();
- return buff;
- }
- TC_NetWorkBuffer::PACKET_TYPE ProxyProtocol::http1Response(TC_NetWorkBuffer &in, ResponsePacket& rsp)
- {
- shared_ptr<TC_HttpResponse> *context = (shared_ptr<TC_HttpResponse>*)(in.getContextData());
- if(!context)
- {
- context = new shared_ptr<TC_HttpResponse>();
- *context = std::make_shared<TC_HttpResponse>();
- in.setContextData(context, [](TC_NetWorkBuffer*nb){ shared_ptr<TC_HttpResponse> *p = (shared_ptr<TC_HttpResponse>*)(nb->getContextData()); if(!p) { nb->setContextData(NULL); delete p; }});
- }
- if((*context)->incrementDecode(in))
- {
- rsp.sBuffer.resize(sizeof(shared_ptr<TC_HttpResponse>));
- shared_ptr<TC_HttpResponse> &data = *(shared_ptr<TC_HttpResponse>*)rsp.sBuffer.data();
- data = *context;
- auto ret = TC_NetWorkBuffer::PACKET_FULL;
- if (data->checkHeader("Connection", "keep-alive") || (data->getVersion() == "HTTP/1.1" && !data->hasHeader("Connection")))
- {
- ret = TC_NetWorkBuffer::PACKET_FULL;
- }
- else
- {
- ret = TC_NetWorkBuffer::PACKET_FULL_CLOSE;
- }
- //收取到完整的包, 把当前包释放掉, 下次新包来会新建context
- (*context) = NULL;
- delete context;
- in.setContextData(NULL);
- return ret;
- }
- return TC_NetWorkBuffer::PACKET_LESS;
- }
- /////////////////////////////////////////////////////////////////////////////////////////////////
- #if TARS_HTTP2
- // ENCODE function, called by network thread
- shared_ptr<TC_NetWorkBuffer::Buffer> ProxyProtocol::http2Request(RequestPacket& request, TC_Transceiver *trans)
- {
- TC_Http2Client* session = (TC_Http2Client*)trans->getSendBuffer().getContextData();
- if(session == NULL)
- {
- session = new TC_Http2Client();
- trans->getSendBuffer().setContextData(session, [=](TC_NetWorkBuffer*){delete session;});
- session->settings(3000);
- }
- shared_ptr<TC_HttpRequest> *data = (shared_ptr<TC_HttpRequest>*)request.sBuffer.data();
- request.iRequestId = session->submit(*(*data).get());
- //这里把智能指针释放一次
- (*data).reset();
- shared_ptr<TC_NetWorkBuffer::Buffer> buff = std::make_shared<TC_NetWorkBuffer::Buffer>();
- if (request.iRequestId < 0)
- {
- TLOGERROR("http2Request::Fatal submit error: " << session->getErrMsg() << endl);
- return buff;
- }
- vector<char> out;
- session->swap(out);
- buff->addBuffer(out);
- return buff;
- }
- TC_NetWorkBuffer::PACKET_TYPE ProxyProtocol::http2Response(TC_NetWorkBuffer &in, ResponsePacket& rsp)
- {
- TC_Http2Client* session = (TC_Http2Client*)((TC_Transceiver*)(in.getConnection()))->getSendBuffer().getContextData();
- pair<int, shared_ptr<TC_HttpResponse>> out;
- TC_NetWorkBuffer::PACKET_TYPE flag = session->parseResponse(in, out);
- if(flag == TC_NetWorkBuffer::PACKET_FULL)
- {
- rsp.iRequestId = out.first;
- rsp.sBuffer.resize(sizeof(shared_ptr<TC_HttpResponse>));
- //这里智能指针有一次+1, 后面要自己reset掉
- *(shared_ptr<TC_HttpResponse>*)rsp.sBuffer.data() = out.second;
- }
- return flag;
- }
- // ENCODE function, called by network thread
- shared_ptr<TC_NetWorkBuffer::Buffer> ProxyProtocol::grpcRequest(RequestPacket& request, TC_Transceiver *trans)
- {
- TC_GrpcClient* session = (TC_GrpcClient*)trans->getSendBuffer().getContextData();
- if(session == NULL)
- {
- session = new TC_GrpcClient();
- trans->getSendBuffer().setContextData(session, [=](TC_NetWorkBuffer*){ delete session; });
- session->settings(3000);
- }
- if (session->buffer().size() != 0) {
- //直接发送裸得应答数据,业务层一般不直接使用,仅仅tcp支持
- trans->getSendBuffer().addBuffer(session->buffer());
- trans->doRequest();
- // auto data = trans->getSendBuffer().getBufferPointer();
- // int iRet = trans->send(data.first, (uint32_t) data.second, 0);
- // trans->getSendBuffer().moveHeader(iRet);
- session->buffer().clear();
- }
- shared_ptr<TC_HttpRequest> *data = (shared_ptr<TC_HttpRequest>*)request.sBuffer.data();
- request.iRequestId = session->submit(*(*data).get());
- //这里把智能指针释放一次
- (*data).reset();
- shared_ptr<TC_NetWorkBuffer::Buffer> buff = std::make_shared<TC_NetWorkBuffer::Buffer>();
- if (request.iRequestId < 0)
- {
- TLOGERROR("http2Request::Fatal submit error: " << session->getErrMsg() << endl);
- return buff;
- }
- // cout << "http2Request id:" << request.iRequestId << endl;
- vector<char> out;
- session->swap(out);
- buff->addBuffer(out);
- return buff;
- }
- TC_NetWorkBuffer::PACKET_TYPE ProxyProtocol::grpcResponse(TC_NetWorkBuffer &in, ResponsePacket& rsp)
- {
- TC_GrpcClient* session = (TC_GrpcClient*)((TC_Transceiver*)(in.getConnection()))->getSendBuffer().getContextData();
- pair<int, shared_ptr<TC_HttpResponse>> out;
- TC_NetWorkBuffer::PACKET_TYPE flag = session->parseResponse(in, out);
- if(flag == TC_NetWorkBuffer::PACKET_FULL)
- {
- rsp.iRequestId = out.first;
- rsp.sBuffer.resize(sizeof(shared_ptr<TC_HttpResponse>));
- //这里智能指针有一次+1, 后面要自己reset掉
- *(shared_ptr<TC_HttpResponse>*)rsp.sBuffer.data() = out.second;
- }
- return flag;
- }
- #endif
- }
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